<template>
<div>{{message}}</div>
<div>{{obj.message}}</div>
<div>{{obj.desc}}</div>
</template>
<script setup>
import {toRefs, reactive} from 'vue';
let obj=reactive({
    message:"这是修改前的值",
desc:"这是desc修改后的值"
});
let {message,desc}=toRefs(obj);
setTimeout(()=>{
   message.value="这是修改后的值";
   desc.value="这是desc修改后的值"
},2000)
</script>
<!-- //desc的值做修改 -->